Home / 370,518.20-511,316.96-200,752.32

Finding the Fourth Proportional to 370,518.20, 511,316.96 and 200,752.32

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Solution

The fourth proportional to 370,518.20, 511,316.96 and 200,752.32 is: 277,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,518.20 : 511,316.96 = 200,752.32 : x
  2. Step 2: Convert to fraction form
    370,518.20/511,316.96 = 200,752.32/x
  3. Step 3: Cross multiply
    370,518.20x = 511,316.96 × 200,752.32
  4. Step 4: Simplify right side
    370,518.20x = 102,648,066,889.02
  5. Step 5: Solve for x
    x = 102,648,066,889.02/370,518.20
  6. Step 6: Final answer
    x = 277,039.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.